<?php

/**
 * This is the model class for table "questao".
 *
 * The followings are the available columns in table 'questao':
 * @property integer $id
 * @property string $titulo
 * @property string $gabarito
 * @property integer $id_assunto
 * @property integer $id_prova
 *
 * The followings are the available model relations:
 * @property CadernoInstanciaQuestao[] $cadernoInstanciaQuestaos
 * @property Prova $idProva
 * @property Assunto $idAssunto
 * @property QuestaoAlternativa[] $questaoAlternativas
 */
class Questao extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @return Questao the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'questao';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('titulo, gabarito, id_assunto, id_prova', 'required'),
			array('id_assunto, id_prova', 'numerical', 'integerOnly'=>true),
			array('titulo', 'length', 'max'=>255),
			array('gabarito', 'length', 'max'=>1),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, titulo, gabarito, id_assunto, id_prova', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'cadernoInstanciaQuestaos' => array(self::HAS_MANY, 'CadernoInstanciaQuestao', 'id_questao'),
			'idProva' => array(self::BELONGS_TO, 'Prova', 'id_prova'),
			'idAssunto' => array(self::BELONGS_TO, 'Assunto', 'id_assunto'),
			'questaoAlternativas' => array(self::HAS_MANY, 'QuestaoAlternativa', 'id_questao'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'titulo' => 'Titulo',
			'gabarito' => 'Gabarito',
			'id_assunto' => 'Id Assunto',
			'id_prova' => 'Id Prova',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('titulo',$this->titulo,true);
		$criteria->compare('gabarito',$this->gabarito,true);
		$criteria->compare('id_assunto',$this->id_assunto);
		$criteria->compare('id_prova',$this->id_prova);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}